Tds Meter
FailPrices span $3.05–$15.47, mostly outside the sweet spot, so Tds Meter is a Fail.
- Flapen Score
- 44 / 100Ranks 520 of 740 Business, Industry & Science niches · −5 vs the category median of 4944
- Market size
- £83K/yr146K searches / yr
- 90-day growth
- -16.7%search demand this quarter
- Competition
- 65%top-5 click share · 12 brands · 16 sellers
Flapen Score
Tds Meter against its category
The dotted line is the Business, Industry & Science average. Past it, Tds Meter is stronger. Inside it, weaker.
Market
The Tds Meter market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Tds Meter 146K times last year and spent an estimated £83K. The top 5 brands take 81% of clicks. Demand peaks in Apr–May–Jul. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 8.5% of those searches ended in a purchase.
Shoppers searched for this 146K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 8.5% of those searches ended in a purchase. Searches in the last 90 days moved -16.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated £83K a year.
- Searches, last 12 months
- 146K
- Growth, 90 days vs prior 90
- -16.7%
- Conversion, latest week
- 8.5%
- Market size, estimated
- £83Ka year
- Peak month
- May1.9× the quietest month
- Top search term
- tds meter38K searches a year
02 · Price
A sale here is worth £6.67.
Listings sell for £6.67 on average, from £3.05 to £15.47. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 250 to 500 of them. At £6.67 that is £2K to £3K a year per listing.
- Average price
- £6.67under the $15 to $100 sweet spot
- Price range
- £3.05–£15.47
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 250–500
- Revenue per listing a year
- £2K–£3K
- Returns
- 1.2%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
88% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 10.2% of listings are out of stock. The average listing ranks #83 within Test & Measurement. It carries 663 reviews at 4.25 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 88%
- Prime listings
- 100%
- Out of stock, average day
- 10.2%
- Average rank
- #83in Test & Measurement
- Average rating
- 4.25 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 663per listing
- Listings tracked
- 17
04 · Newcomers
2 of last year's 6 launches cleared the first-year sales bar.
6 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 31 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 6
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 31 months
Products
Top Tds Meter products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 21, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Instant 4-in-1 TDS Meter Digital Water Tester for Drinking Water | Accurate 09990 PPM EC & Temp Readings | Ideal for RO Systems Aquariums Pools Built for Professionals Easy for Anyone
- Price
- £8.12
- Rating
- 4.4/5
- Reviews
- 1,425
- Age
- 11mo ago

QNCIGER TDS Meter Digital Water Quality Tester with Automatic Temperature Compensation (ATC) 0-9990 ppm Range for Drinking Water Tap Water Aquariums Water Filters (Blue)
- Price
- £7.64
- Rating
- 4.2/5
- Reviews
- 724
- Age
- 2y ago

TDS Meter Digital Water Tester for Drinking Water 4 in 1 TDS Water Quality Tester Portable 0-9990ppm TDS EC & Temp(C F) Meter Tester Testing for Drinking Water RO/DI System
- Price
- £7.11
- Rating
- 4.2/5
- Reviews
- 53
- Age
- 10mo ago

2025 New TDS Meter Digital Water Tester 0-9990 ppm Water Quality Tester Portable Water Testing Kits for Drinking Water Farming Aquariums Pools
- Price
- £6.44
- Rating
- 4.2/5
- Reviews
- 68
- Age
- 1y ago

TDS Meter Digital Water Quality Tester for RO-RODI System Drinking Water Aquariums Hydroponics 0-9990 ppm Measuring Range 1 ppm Increments 2% Readout Accuracy BLack
- Price
- £6.22
- Rating
- 4.1/5
- Reviews
- 101
- Age
- 1y ago
Trending
estimated 90-day click momentum
TDS Meter Digital Water Tester 4 in 1 EC & Temperature (/) Meter 0-9999 ppm Water Quality Tester for Drinking Water Aquarium Ro-Rodi System
- Price
- £7.52
- Rating
- 4.5/5
- Reviews
- 35
- Age
- 5d ago

Bestgle Digital TDS Meter Temp PPM Tester Water Quality Testing Tool for Drinking Water Aquariums Pool
- Price
- £5.39
- Rating
- 4.4/5
- Reviews
- 107
- Age
- 5y ago

Instant 4-in-1 TDS Meter Digital Water Tester for Drinking Water | Accurate 09990 PPM EC & Temp Readings | Ideal for RO Systems Aquariums Pools Built for Professionals Easy for Anyone
- Price
- £8.12
- Rating
- 4.4/5
- Reviews
- 1,425
- Age
- 11mo ago

Boulton TDS Meter Digital Water Tester (Battery Included) - 0-9990 ppm Measuring Range Water Quality Testing for Household Drinking Water Aquariums Hydroponics Swimming Pools 1 ppm increments
- Price
- £3.05
- Rating
- 4.2/5
- Reviews
- 11
- Age
- 5mo ago

Flintronic Water Quality Test TDS Meter +/- 2% Reading Accuracy TDS/Temp 2 in 1 Water Testers for Household Drinking Water Pool Hydroponics Aquarium
- Price
- £4.32
- Rating
- 4.1/5
- Reviews
- 69
- Age
- 2y ago
Newest
by launch date
TDS Meter Digital Water Tester 4 in 1 EC & Temperature (/) Meter 0-9999 ppm Water Quality Tester for Drinking Water Aquarium Ro-Rodi System
- Price
- £7.52
- Rating
- 4.5/5
- Reviews
- 35
- Age
- 5d ago

Boulton TDS Meter Digital Water Tester (Battery Included) - 0-9990 ppm Measuring Range Water Quality Testing for Household Drinking Water Aquariums Hydroponics Swimming Pools 1 ppm increments
- Price
- £3.05
- Rating
- 4.2/5
- Reviews
- 11
- Age
- 5mo ago

AFIODA TDS Meter Digital Water Quality Tester with ATC
- Price
- £5.14
- Rating
- 4.7/5
- Reviews
- 8
- Age
- 8mo ago

TDS Meter Digital Water Tester for Drinking Water 4 in 1 TDS Water Quality Tester Portable 0-9990ppm TDS EC & Temp(C F) Meter Tester Testing for Drinking Water RO/DI System
- Price
- £7.11
- Rating
- 4.2/5
- Reviews
- 53
- Age
- 10mo ago

Instant 4-in-1 TDS Meter Digital Water Tester for Drinking Water | Accurate 09990 PPM EC & Temp Readings | Ideal for RO Systems Aquariums Pools Built for Professionals Easy for Anyone
- Price
- £8.12
- Rating
- 4.4/5
- Reviews
- 1,425
- Age
- 11mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 65% of clicks. Leaders hold, but buyers still shop past them.
Brands
12 falling
Sellers
16
Est. top-5 brand share
81%
Top 20: 100%
Est. top-5 click share
65%
Top 20: 100%
Open market
15%
- ARCHER LIFE HALL31%
- VARIFY26%
- QNCIGER18%
- ausyde4%
- flintronic4%
- Bestgle4%
- Open — no brand owns it (6 brands, 15%)
Demand
Tds Meter search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, May, Jul · busiest ÷ quietest = 1.9×
Search terms
Top Tds Meter search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- tds meter38K/yr
- water tester34K/yr
- tds meter digital water tester30K/yr
- water quality tester10K/yr
- water tester kit for drinking water5K/yr
- digital water tester6K/yr
- tds water tester6K/yr
- tds5K/yr
- ppm meter3K/yr
- drinking water tester3K/yr
Reviews and returns
What reviews say buyers love and hate about Tds Meter
We read the reviews and the return reasons for every product selling here.
“Did not work”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Tds Meter questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









